I see no need for hats, as you never play into the sun, no sun burn and no sunstroke to fear.
A valid point. There are those who believe in tin foil though amongst other things.
(seen here in my tinfoil trilby, to limited effect)
A warning about the sun, I managed to roast my avatars head during a lunchtime round at Cabo. Not pleasant and a lot more serious than a missed putt or two.